1. From any screen, press and hold the Power/Lock key.
   
2. Tap Airplane mode.
   
3. When Airplane mode is active, the Airplane icon will display in the notification bar.
   
4. To disable Airplane mode, press and hold the Power/Lock key.
   
5. Tap Airplane mode.
   
6. Alternatively, swipe down from the Notification bar with two fingers, then tap Airplane mode.